CN101751860B - Organic light-emitting display device with pixel data self-retaining function - Google Patents
Organic light-emitting display device with pixel data self-retaining function Download PDFInfo
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- CN101751860B CN101751860B CN2010100034175A CN201010003417A CN101751860B CN 101751860 B CN101751860 B CN 101751860B CN 2010100034175 A CN2010100034175 A CN 2010100034175A CN 201010003417 A CN201010003417 A CN 201010003417A CN 101751860 B CN101751860 B CN 101751860B
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Abstract
The invention relates to an organic light-emitting display device with the pixel data self-retaining function, which comprises a current driving unit, an organic LED (light-emitting diode) and a memory unit. The current driving unit is used for providing drive current according to generated driving voltage, and the organic LED outputs light according to the drive current. The operation of the memory unit is controlled by first auxiliary power supply voltage and second auxiliary power supply voltage. When the first auxiliary power supply voltage is higher than the second auxiliary power supply voltage, the memory unit is enabled to execute voltage retaining operation on the driving voltage. When the second auxiliary power supply voltage is higher than the first auxiliary power supply voltage, the memory unit is unabled to stop the voltage retaining operation.
Description
Technical field
The present invention refers to a kind of organic light-emitting display device of tool pixel data self-retaining function especially relevant for a kind of organic light-emitting display device.
Background technology
Flat display apparatus (Flat Panel Display) has that external form is frivolous, power saving and advantage such as radiationless, so be widely used on the electronic products such as computer screen, mobile phone, PDA(Personal Digital Assistant), flat-surface television.In various flat display apparatus, active matrix organic light-emitting display device (Active Matrix Organic Light Emitting Display; AMOLED) but have more fast, wide viewing angle of autoluminescence, high brightness, high-luminous-efficiency, high contrast, reaction time and serviceability temperature scope further advantage such as big, therefore highly competititve on the market of flat display apparatus.
Fig. 1 is the structural representation of existing active matrix organic light-emitting display device 100.As shown in Figure 1, active matrix organic light-emitting display device 100 comprises gate driver circuit 110, data drive circuit 120, plural image element circuit 140 and power supply unit 190.Each image element circuit 140 comprises the first transistor 141, transistor seconds 142, storage capacitors 143 and Organic Light Emitting Diode (Organic Light Emitting Diode; OLED) 144.Power supply unit 190 is used to provide high power supply voltage Vdd and low supply voltage Vss is fed into each image element circuit 140.Gate driver circuit 110 is used to provide plural signal and complex data signal respectively with data drive circuit 120.Each image element circuit 140 promptly according to corresponding signal and corresponding data signal controlling based on the pressure reduction of high power supply voltage Vdd and low supply voltage Vss light emitting drive operation to Organic Light Emitting Diode 144.Yet; In the running of active matrix organic light-emitting display device 100; Even institute's picture displayed is in stationary state; Gate driver circuit 110 still continues to provide signal and data-signal with data drive circuit 120, periodically continues to carry out the running that writes of image element circuit 140 according to this, equals to show the power consumption of dynamic menu in fact so show the power consumption of still frame.
Summary of the invention
According to embodiments of the invention; The organic light-emitting display device that it discloses a kind of tool pixel data self-retaining function, including the gate driver circuit that is used to provide signal, the data drive circuit that is used to provide data-signal, gate line, data line, current drives unit, Organic Light Emitting Diode, storage unit and voltage provides module.Gate line is electrically connected on gate driver circuit, is used for transmitting signal.Data line is electrically connected on data drive circuit, is used for transmission of data signals.The current drives unit is electrically connected on gate line and data line, be used for according to signal and data-signal producing driving voltage, and according to driving voltage and high power supply voltage so that drive current to be provided.Organic Light Emitting Diode is electrically connected on the current drives unit, is used for according to drive current to produce light output.Storage unit is electrically connected on the current drives unit, is used for keeping running according to the first accessory power supply voltage and the second accessory power supply voltage so that driving voltage is carried out voltage.Voltage provides module to be electrically connected on current drives unit and storage unit, is used to provide high power supply voltage, the first accessory power supply voltage and the second accessory power supply voltage.In the running of organic light-emitting display device, when the first accessory power supply voltage when being high accessory power supply voltage and the second accessory power supply voltage for low accessory power supply voltage, storage unit is enabled and keeps running to carry out voltage.Perhaps, when the first accessory power supply voltage for low accessory power supply voltage and the second accessory power supply voltage was high accessory power supply voltage, storage unit was kept running by decapacitation to stop voltage;
Wherein said voltage provides module to comprise:
One power supply unit is used to provide one first high power supply voltage, is lower than one second high power supply voltage of described first high power supply voltage, described high accessory power supply voltage and described low accessory power supply voltage;
One first voltage selector is electrically connected on described power supply unit and described current drives unit, is used for choosing described first high power supply voltage or described second high power supply voltage as described high power supply voltage;
One second voltage selector is electrically connected on described power supply unit and described storage unit, is used for choosing described high accessory power supply voltage or described low accessory power supply voltage as the described first accessory power supply voltage; And
One tertiary voltage selector switch is electrically connected on described power supply unit and described storage unit, is used for choosing described low accessory power supply voltage or described high accessory power supply voltage as the described second accessory power supply voltage;
Wherein when the described first accessory power supply voltage be that described high accessory power supply voltage and the described second accessory power supply voltage are when being described low accessory power supply voltage; Described first voltage selector is chosen described second high power supply voltage as described high power supply voltage; When the described first accessory power supply voltage is described low accessory power supply voltage and the described second accessory power supply voltage when being described high accessory power supply voltage, first voltage selector is chosen described first high power supply voltage as described high power supply voltage.
According to embodiments of the invention; The organic light-emitting display device that it discloses a kind of tool pixel data self-retaining function in addition, including the gate driver circuit that is used to provide signal, the data drive circuit that is used to provide data-signal, gate line, data line, current drives unit, Organic Light Emitting Diode, first phase inverter, second phase inverter and voltage provides module.Gate line is electrically connected on gate driver circuit, is used for transmitting signal.Data line is electrically connected on data drive circuit, is used for transmission of data signals.The current drives unit is electrically connected on gate line and data line, be used for according to signal and data-signal producing driving voltage, and according to driving voltage and high power supply voltage so that drive current to be provided.Organic Light Emitting Diode is electrically connected on the current drives unit, is used for according to drive current to produce light output.First phase inverter comprises input end, output terminal, first power end and second source end; Wherein input end is electrically connected on the current drives unit to receive driving voltage; First power end is in order to receive the first accessory power supply voltage, and the second source end is in order to receive the second accessory power supply voltage.Second phase inverter comprises input end, output terminal, first power end and second source end; Wherein input end is electrically connected on the output terminal of first phase inverter; First power end is in order to receive the first accessory power supply voltage; The second source end is in order to receive the second accessory power supply voltage, and output terminal is electrically connected on the input end of first phase inverter.Voltage provides module to be electrically connected on current drives unit, first phase inverter and second phase inverter, is used to provide high power supply voltage, the first accessory power supply voltage and the second accessory power supply voltage.In the running of organic light-emitting display device, when the first accessory power supply voltage when being high accessory power supply voltage and the second accessory power supply voltage for low accessory power supply voltage, first phase inverter and second phase inverter are enabled and keep operating driving voltage is carried out voltage.Perhaps, when the first accessory power supply voltage for low accessory power supply voltage and the second accessory power supply voltage was high accessory power supply voltage, first phase inverter and second phase inverter were kept operating to stop voltage by decapacitation;
Wherein said voltage provides module to comprise:
One power supply unit is used to provide one first high power supply voltage, is lower than one second high power supply voltage of described first high power supply voltage, described high accessory power supply voltage and described low accessory power supply voltage;
One first voltage selector is electrically connected on described power supply unit and described current drives unit, is used for choosing described first high power supply voltage or described second high power supply voltage as described high power supply voltage;
One second voltage selector is electrically connected on described power supply unit, described first phase inverter and described second phase inverter, is used for choosing described high accessory power supply voltage or described low accessory power supply voltage as the described first accessory power supply voltage; And
One tertiary voltage selector switch is electrically connected on described power supply unit, described first phase inverter and described second phase inverter, is used for choosing described low accessory power supply voltage or described high accessory power supply voltage as the described second accessory power supply voltage;
Wherein when the described first accessory power supply voltage be that described high accessory power supply voltage and the described second accessory power supply voltage are when being described low accessory power supply voltage; Described first voltage selector is chosen described second high power supply voltage as described high power supply voltage; When the described first accessory power supply voltage is described low accessory power supply voltage and the described second accessory power supply voltage when being described high accessory power supply voltage, first voltage selector is chosen described first high power supply voltage as described high power supply voltage.
Description of drawings
Fig. 1 is the structural representation of existing active matrix organic light-emitting display device.
Fig. 2 is the structural representation of the organic light-emitting display device of first embodiment of the invention.
Fig. 3 is the circuit running coherent signal oscillogram of the organic light-emitting display device of Fig. 2, and wherein transverse axis is a time shaft.
Fig. 4 is the structural representation of the organic light-emitting display device of second embodiment of the invention.
Fig. 5 is the structural representation of the organic light-emitting display device of third embodiment of the invention.
Fig. 6 is the structural representation of the organic light-emitting display device of fourth embodiment of the invention.
Fig. 7 is the structural representation of the organic light-emitting display device of fifth embodiment of the invention.
Fig. 8 is the structural representation of the organic light-emitting display device of sixth embodiment of the invention.
Fig. 9 is the structural representation of the organic light-emitting display device of seventh embodiment of the invention.
Figure 10 is the structural representation of the organic light-emitting display device of eighth embodiment of the invention.
Drawing reference numeral:
100 active matrix organic light-emitting display device
110,210 gate driver circuits
120,220 data drive circuits
140,240,340,440,540, image element circuit
640、740、840、940
141,251 the first transistors
142,252,452,752 transistor secondses
143,253,553,653,753, storage capacitors
853、953
144,254,754 Organic Light Emitting Diodes
190,290 power supply units
200,300,400,500,600, organic light-emitting display device
700、800、900
215 gate lines
225 data lines
250,450,550,650,750, current drives unit
850、950
255,355 storage unit
260,360 first phase inverters
261,266 first power ends
263,268 second source ends
265 second phase inverters
270,370 voltage selected cells
275,375 first voltage selectors
280,380 second voltage selectors
285,385 tertiary voltage selector switchs
295,395 voltages provide module
361 the one P type thin film transistor (TFT)s
363 the one N type thin film transistor (TFT)s
366 the 2nd P type thin film transistor (TFT)s
368 the 2nd N type thin film transistor (TFT)s
376 the 3rd P type thin film transistor (TFT)s
378 the 3rd N type thin film transistor (TFT)s
381 the 4th P type thin film transistor (TFT)s
383 the 4th N type thin film transistor (TFT)s
386 the 5th P type thin film transistor (TFT)s
388 the 5th N type thin film transistor (TFT)s
The DLn data line
The GLi gate line
The Id drive current
PUa, Pub, PUc, PUd, image element circuit
PUe、PUf、Pug、PUh
Scs selects control signal
The SDn data-signal
The SGi signal
The preposition period of Tpre
Trtn keeps the period
The Vadd first accessory power supply voltage
The Vass second accessory power supply voltage
The Vd driving voltage
The Vdd high power supply voltage
Vdd1 first high power supply voltage
Vdd2 second high power supply voltage
The high accessory power supply voltage of VH
VL hangs down accessory power supply voltage
The Vss low supply voltage
Embodiment
Hereinafter is according to the organic light-emitting display device of tool pixel data self-retaining function of the present invention, and the special embodiment that lifts cooperates appended graphic elaborating, but the embodiment that is provided not is the scope that contains in order to restriction the present invention.
Fig. 2 is the structural representation of the organic light-emitting display device 200 of first embodiment of the invention.As shown in Figure 2, organic light-emitting display device 200 comprises gate driver circuit 210, data drive circuit 220, plural gate line 215, complex data line 225, plural image element circuit 240 and voltage provides module 295.Be convenient explanation, 215 of plural gate lines show gate lines G Li, 225 video data lines of complex data line DLn, 240 display pixel circuits PUa of plural image element circuit.Gate lines G Li is electrically connected on gate driver circuit 210, is used for transmitting the signal SGi that gate driver circuit 210 is provided.Data line DLn is electrically connected on data drive circuit 220, is used for the data-signal SDn that Data transmission driving circuit 220 provided.Image element circuit PUa comprises current drives unit 250, storage unit 255 and Organic Light Emitting Diode 254.Voltage provides module 295 to comprise power supply unit 290 and voltage selected cell 270.
Current drives unit 250 is electrically connected on gate lines G Li and data line DLn, be used for according to signal SGi and data-signal SDn producing driving voltage Vd, and according to driving voltage Vd, high power supply voltage Vdd and low supply voltage Vss so that drive current Id to be provided.Organic Light Emitting Diode 254 comprises positive terminal and negative pole end, and wherein positive terminal is electrically connected on current drives unit 250, and negative pole end is in order to receive low supply voltage Vss.Organic Light Emitting Diode 254 is used for according to drive current Id to produce light output.Storage unit 255 is electrically connected on current drives unit 250, is used for keeping running according to the first accessory power supply voltage Vadd and the second accessory power supply voltage Vass so that driving voltage Vd is carried out voltage.Power supply unit 290 is used to provide the first high power supply voltage Vdd1, is lower than the second high power supply voltage Vdd2 of the first high power supply voltage Vdd1, high accessory power supply voltage VH, low accessory power supply voltage VL and low supply voltage Vss.Voltage selected cell 270 is electrically connected on current drives unit 250 and storage unit 255; Be used for choosing the first high power supply voltage Vdd1 or the second high power supply voltage Vdd2 as high power supply voltage Vdd; Choose high accessory power supply voltage VH or low accessory power supply voltage VL as the first accessory power supply voltage Vadd, and choose low accessory power supply voltage VL or high accessory power supply voltage VH as the second accessory power supply voltage Vass.As the first accessory power supply voltage Vadd when being high accessory power supply voltage VH and the second accessory power supply voltage Vass for low accessory power supply voltage VL, storage unit 255 is enabled and keeps running to carry out voltage.When the first accessory power supply voltage Vadd for low accessory power supply voltage VL and the second accessory power supply voltage Vass was high accessory power supply voltage VH, storage unit 255 was kept running by decapacitation to stop voltage.
In the embodiment of Fig. 2; Current drives unit 250 comprises the first transistor 251, transistor seconds 252 and storage capacitors 253; Storage unit 255 comprises first phase inverter 260 and second phase inverter 265, and voltage selected cell 270 comprises first voltage selector 275, second voltage selector 280 and tertiary voltage selector switch 285.The first transistor 251 comprises first end, second end and gate terminal, and wherein first end is electrically connected on data line DLn to receive data-signal SDn, and second end is electrically connected on storage unit 255, and gate terminal is electrically connected on gate lines G Li to receive signal SGi.The first transistor 251 can be P type thin film transistor (TFT) or N type thin film transistor (TFT).Transistor seconds 252 comprises first end, second end and gate terminal; Wherein first end is electrically connected on first voltage selector 275 to receive high power supply voltage Vdd; Second end is electrically connected on the positive terminal of Organic Light Emitting Diode 254, and gate terminal is electrically connected on second end of the first transistor 251.Transistor seconds 252 can be P type thin film transistor (TFT).Storage capacitors 253 is electrically connected between the gate terminal and first end of transistor seconds 252, is used for storage drive voltage Vd.
First voltage selector 275 is electrically connected on power supply unit 290 and current drives unit 250, is used for according to selecting control signal Scs to choose the first high power supply voltage Vdd1 or the second high power supply voltage Vdd2 as high power supply voltage Vdd.Second voltage selector 280 is electrically connected on power supply unit 290, first power end 261 and first power end 266, is used for according to selecting control signal Scs to choose high accessory power supply voltage VH or low accessory power supply voltage VL as the first accessory power supply voltage Vadd.Tertiary voltage selector switch 285 is electrically connected on power supply unit 290, second source end 263 and second source end 268, is used for according to selecting control signal Scs to choose low accessory power supply voltage VL or high accessory power supply voltage VH as the second accessory power supply voltage Vass.In another embodiment, first voltage selector 275, second voltage selector 280 can be chosen running to carry out voltage according to different selection control signals with tertiary voltage selector switch 285.When the first accessory power supply voltage Vadd is that the high accessory power supply voltage VH and the second accessory power supply voltage Vass are when hanging down accessory power supply voltage VL; First voltage selector 275 is chosen the second high power supply voltage Vdd2 as high power supply voltage Vdd; When the first accessory power supply voltage Vadd for low accessory power supply voltage VL and the second accessory power supply voltage Vass was high accessory power supply voltage VH, first voltage selector 275 was chosen the first high power supply voltage Vdd1 as high power supply voltage Vdd.
Fig. 3 is the circuit running coherent signal oscillogram of the organic light-emitting display device 200 of Fig. 2, and wherein transverse axis is a time shaft.In Fig. 3, basipetal signal is respectively signal SGi, data-signal SDn, selects control signal Scs, high power supply voltage Vdd, the first accessory power supply voltage Vadd and the second accessory power supply voltage Vass.
When organic luminous display unit 200 operates on normal mode; The data-signal SDn that data drive circuit 220 is provided is multistage (Multi-Level) aanalogvoltage Vanalog; Gate driver circuit 210 provides signal SGi according to normal scan mode, and the first transistor 251 is input as driving voltage Vd according to the signal SGi of normal scan mode with data-signal SDn.At this moment; Select control signal Scs at first state; First voltage selector 275 is chosen the first high power supply voltage Vdd1 according to this as high power supply voltage Vdd; Second voltage selector 280 is chosen low accessory power supply voltage VL according to this as the first accessory power supply voltage Vadd, and tertiary voltage selector switch 285 is chosen high accessory power supply voltage VH according to this as the second accessory power supply voltage Vass.So in normal mode; Storage unit 255 is at the decapacitation state; Transistor seconds 252 is according to driving voltage Vd and the first high power supply voltage Vdd1 size with controlling and driving electric current I d, and then driving machine light emitting diode 254 produces the light output of the many GTGs of tool (Multi Grey Level).
When organic luminous display unit 200 gets into still-mode with after showing still frame; In preposition period Tpre; The data-signal SDn that data drive circuit 220 provided is two rank (Bi-Level) digital voltage Vdigital, and the first transistor 251 is input as driving voltage Vd according to the signal SGi of normal scan mode with two exponent number word voltage Vdigital.At this moment; Select control signal Scs at second state; First voltage selector 275 is chosen the second high power supply voltage Vdd2 according to this as high power supply voltage Vdd; Second voltage selector 280 is chosen high accessory power supply voltage VH according to this as the first accessory power supply voltage Vadd, and tertiary voltage selector switch 285 is chosen low accessory power supply voltage VL according to this as the second accessory power supply voltage Vass.So in preposition period Tpre; Storage unit 255 state that is enabled keeps running so that driving voltage Vd is carried out voltage; Transistor seconds 252 is according to driving voltage Vd and the second high power supply voltage Vdd2 size with controlling and driving electric current I d, and then driving machine light emitting diode 254 produces the light output of the two GTGs of tools.In addition, after the first transistor 251 is input as driving voltage Vd with two exponent number word voltage Vdigital, closes gate driver circuit 210, and after gate driver circuit 210 is closed, close data drive circuit 220, thereby to make data-signal SDn be suspension joint voltage.
In the maintenance period of still-mode Trtn, owing to gate driver circuit 210 has been closed, so the first transistor 251 remains on cut-off state.Then continue to remain on the second high power supply voltage Vdd2, high accessory power supply voltage VH and low accessory power supply voltage VL respectively as for high power supply voltage Vdd, the first accessory power supply voltage Vadd and the second accessory power supply voltage Vass; So storage unit 255 is kept running by lasting activation so that driving voltage Vd is carried out voltage, that is carry out the self-two exponent number word voltage Vdigitals of running that keep of pixel data to keep preposition period Tpre to be imported.Please note; Because the voltage swing scope of two exponent number word voltage Vdigital possibly differ from the voltage swing scope of multistage aanalogvoltage Vanalog, so in the running of normal mode and still-mode, use different high power supply voltage Vdd possibly; That is; As stated, use the first high power supply voltage Vdd1 in normal mode, and use the second high power supply voltage Vdd2 in still-mode.
When organic luminous display unit 200 gets into normal mode by still-mode; Select control signal Scs to switch to first state; Make high power supply voltage Vdd, the first accessory power supply voltage Vadd and the second accessory power supply voltage Vass switch to the first high power supply voltage Vdd1, low accessory power supply voltage VL and high accessory power supply voltage VH respectively, so storage unit 255 is kept running by decapacitation to stop voltage.Data drive circuit 220 is activated to provide multistage aanalogvoltage Vanalog as data-signal SDn; Gate driver circuit 210 is activated so that signal SGi to be provided according to normal scan mode, so the first transistor 251 can be input as driving voltage Vd with data-signal SDn according to signal SGi again.From the above; Organic light-emitting display device 200 can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Fig. 4 is the structural representation of the organic light-emitting display device 300 of second embodiment of the invention.As shown in Figure 4; The circuit structure of organic light-emitting display device 300 is similar to the circuit structure of organic light-emitting display device shown in Figure 2 200; Main difference is that providing module 295 to be replaced into voltage voltage provides module 395; And plural image element circuit 240 is replaced into plural image element circuit 340, wherein image element circuit PUa is replaced into image element circuit PUb.Image element circuit PUb comprises current drives unit 250, storage unit 355 and Organic Light Emitting Diode 254.Voltage provides module 395 to comprise power supply unit 290 and voltage selected cell 370.Storage unit 355 comprises first phase inverter 360 and second phase inverter 365, and voltage selected cell 370 comprises first voltage selector 375, second voltage selector 380 and tertiary voltage selector switch 385.
The one P type thin film transistor (TFT) 361 comprises first end, second end and gate terminal; Wherein this first end is electrically connected on second voltage selector 380 to receive the first accessory power supply voltage Vadd; Second end is electrically connected on second phase inverter 365, and gate terminal is electrically connected on second end of the first transistor 251 to receive driving voltage Vd.The one N type thin film transistor (TFT) 363 comprises first end, second end and gate terminal; Wherein first end is electrically connected on second end of a P type thin film transistor (TFT) 361; Second end is electrically connected on tertiary voltage selector switch 385 to receive the second accessory power supply voltage Vass, and gate terminal is electrically connected on the gate terminal of a P type thin film transistor (TFT) 361.Please note; The gate terminal of the gate terminal of the one P type thin film transistor (TFT) 361 and a N type thin film transistor (TFT) 363 is in order to the input end as first phase inverter 360; First end of second end of the one P type thin film transistor (TFT) 361 and a N type thin film transistor (TFT) 363 is in order to the output terminal as first phase inverter 360; First end of the one P type thin film transistor (TFT) 361 is in order to first power end as first phase inverter 360, and second end of a N type thin film transistor (TFT) 363 is in order to the second source end as first phase inverter 360.
The 2nd P type thin film transistor (TFT) 366 comprises first end, second end and gate terminal; Wherein first end is electrically connected on second voltage selector 380 to receive the first accessory power supply voltage Vadd; Second end is electrically connected on the gate terminal of a P type thin film transistor (TFT) 361, and gate terminal is electrically connected on second end of a P type thin film transistor (TFT) 361.The 2nd N type thin film transistor (TFT) 368 comprises first end, second end and gate terminal; Wherein first end is electrically connected on second end of the 2nd P type thin film transistor (TFT) 366; Second end is electrically connected on tertiary voltage selector switch 385 to receive the second accessory power supply voltage Vass, and gate terminal is electrically connected on the gate terminal of the 2nd P type thin film transistor (TFT) 366.Please note; The gate terminal of the gate terminal of the 2nd P type thin film transistor (TFT) 366 and the 2nd N type thin film transistor (TFT) 368 is in order to the input end as second phase inverter 365; First end of second end of the 2nd P type thin film transistor (TFT) 366 and the 2nd N type thin film transistor (TFT) 368 is in order to the output terminal as second phase inverter 365; First end of the 2nd P type thin film transistor (TFT) 366 is in order to first power end as second phase inverter 365, and second end of the 2nd N type thin film transistor (TFT) 368 is in order to the second source end as second phase inverter 365.
The 3rd P type thin film transistor (TFT) 376 comprises first end, second end and gate terminal; Wherein first end is electrically connected on power supply unit 290 to receive the first high power supply voltage Vdd1; Second end is electrically connected on first end of transistor seconds 252, and gate terminal is selected control signal Scs in order to receive.The 3rd N type thin film transistor (TFT) 378 comprises first end, second end and gate terminal; Wherein first end is electrically connected on power supply unit 290 to receive the second high power supply voltage Vdd2; Second end is electrically connected on second end of the 3rd P type thin film transistor (TFT) 376, and gate terminal is selected control signal Scs in order to receive.
The 4th P type thin film transistor (TFT) 381 comprises first end, second end and gate terminal; Wherein first end is electrically connected on power supply unit 290 to receive low accessory power supply voltage VL; Second end is electrically connected on first end of a P type thin film transistor (TFT) 361 and first end of the 2nd P type thin film transistor (TFT) 366, and gate terminal is selected control signal Scs in order to receive.The 4th N type thin film transistor (TFT) 383 comprises first end, second end and gate terminal; Wherein first end is electrically connected on power supply unit 290 to receive high accessory power supply voltage VH; Second end is electrically connected on second end of the 4th P type thin film transistor (TFT) 381, and gate terminal is selected control signal Scs in order to receive.
The 5th P type thin film transistor (TFT) 386 comprises first end, second end and gate terminal; Wherein first end is electrically connected on power supply unit 290 to receive high accessory power supply voltage VH; Second end is electrically connected on second end of a N type thin film transistor (TFT) 363 and second end of the 2nd N type thin film transistor (TFT) 368, and gate terminal is selected control signal Scs in order to receive.The 5th N type thin film transistor (TFT) 388 comprises first end, second end and gate terminal; Wherein first end is electrically connected on power supply unit 290 to receive low accessory power supply voltage VL; Second end is electrically connected on second end of the 5th P type thin film transistor (TFT) 386, and gate terminal is selected control signal Scs in order to receive.
The circuit running coherent signal waveform of organic light-emitting display device 300 is same as signal waveform shown in Figure 3; So organic light-emitting display device 300 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Fig. 5 is the structural representation of the organic light-emitting display device 400 of third embodiment of the invention.As shown in Figure 5; The circuit structure of organic light-emitting display device 400 is similar to the circuit structure of organic light-emitting display device shown in Figure 4 300; Main difference is plural image element circuit 340 is replaced into plural image element circuit 440, and wherein image element circuit PUb is replaced into image element circuit PUc.Image element circuit PUc comprises current drives unit 450, storage unit 355 and Organic Light Emitting Diode 254.Current drives unit 450 comprises the first transistor 251, transistor seconds 452 and storage capacitors 253.
Transistor seconds 452 can be N type thin film transistor (TFT); It comprises first end, second end and gate terminal; Wherein first end be electrically connected on the 3rd P type thin film transistor (TFT) 376 second end to receive high power supply voltage Vdd; Second end is electrically connected on the positive terminal of Organic Light Emitting Diode 254, and gate terminal is electrically connected on second end of the first transistor 251.The circuit running coherent signal waveform of organic light-emitting display device 400 is same as signal waveform shown in Figure 3; So organic light-emitting display device 400 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Fig. 6 is the structural representation of the organic light-emitting display device 500 of fourth embodiment of the invention.As shown in Figure 6; The circuit structure of organic light-emitting display device 500 is similar to the circuit structure of organic light-emitting display device shown in Figure 5 400; Main difference is plural image element circuit 440 is replaced into plural image element circuit 540, and wherein image element circuit PUc is replaced into image element circuit PUd.Image element circuit PUd comprises current drives unit 550, storage unit 355 and Organic Light Emitting Diode 254.Current drives unit 550 comprises the first transistor 251, transistor seconds 452 and storage capacitors 553.Storage capacitors 553 is electrically connected between the gate terminal and second end of transistor seconds 452.The circuit running coherent signal waveform of organic light-emitting display device 500 is same as signal waveform shown in Figure 3; So organic light-emitting display device 500 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Fig. 7 is the structural representation of the organic light-emitting display device 600 of fifth embodiment of the invention.As shown in Figure 7; The circuit structure of organic light-emitting display device 600 is similar to the circuit structure of organic light-emitting display device shown in Figure 5 400; Main difference is plural image element circuit 440 is replaced into plural image element circuit 640, and wherein image element circuit PUc is replaced into image element circuit PUe.Image element circuit PUe comprises current drives unit 650, storage unit 355 and Organic Light Emitting Diode 254.Current drives unit 650 comprises the first transistor 251, transistor seconds 452 and storage capacitors 653.Storage capacitors 653 is electrically connected between the negative pole end of gate terminal and Organic Light Emitting Diode 254 of transistor seconds 452.The circuit running coherent signal waveform of organic light-emitting display device 600 is same as signal waveform shown in Figure 3; So organic light-emitting display device 600 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Fig. 8 is the structural representation of the organic light-emitting display device 700 of sixth embodiment of the invention.As shown in Figure 8; The circuit structure of organic light-emitting display device 700 is similar to the circuit structure of organic light-emitting display device shown in Figure 6 500; Main difference is plural image element circuit 540 is replaced into plural image element circuit 740, and wherein image element circuit PUd is replaced into image element circuit PUf.Image element circuit PUf comprises current drives unit 750, storage unit 355 and Organic Light Emitting Diode 754.Current drives unit 750 comprises the first transistor 251, transistor seconds 752 and storage capacitors 753.Organic Light Emitting Diode 754 comprises positive terminal and negative pole end, wherein positive terminal be electrically connected on the 3rd P type thin film transistor (TFT) 376 second end to receive high power supply voltage Vdd, negative pole end is electrically connected on transistor seconds 752.Transistor seconds 752 comprises first end, second end and gate terminal; Wherein first end is electrically connected on the negative pole end of Organic Light Emitting Diode 754; Second end is electrically connected on power supply unit 290 to receive low supply voltage Vss, and gate terminal is electrically connected on second end of the first transistor 251.Transistor seconds 752 can be P type thin film transistor (TFT) or N type thin film transistor (TFT).Storage capacitors 753 is electrically connected between the gate terminal and second end of transistor seconds 752.The circuit running coherent signal waveform of organic light-emitting display device 700 is same as signal waveform shown in Figure 3; So organic light-emitting display device 700 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Fig. 9 is the structural representation of the organic light-emitting display device 800 of seventh embodiment of the invention.As shown in Figure 9; The circuit structure of organic light-emitting display device 800 is similar to the circuit structure of organic light-emitting display device shown in Figure 8 700; Main difference is plural image element circuit 740 is replaced into plural image element circuit 840, and wherein image element circuit PUf is replaced into image element circuit PUg.Image element circuit PUg comprises current drives unit 850, storage unit 355 and Organic Light Emitting Diode 754.Current drives unit 850 comprises the first transistor 251, transistor seconds 752 and storage capacitors 853.Storage capacitors 853 is electrically connected between the positive terminal of gate terminal and Organic Light Emitting Diode 754 of transistor seconds 752.The circuit running coherent signal waveform of organic light-emitting display device 800 is same as signal waveform shown in Figure 3; So organic light-emitting display device 800 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
Figure 10 is the structural representation of the organic light-emitting display device 900 of eighth embodiment of the invention.Shown in figure 10; The circuit structure of organic light-emitting display device 900 is similar to the circuit structure of organic light-emitting display device shown in Figure 8 700; Main difference is plural image element circuit 740 is replaced into plural image element circuit 940, and wherein image element circuit PUf is replaced into image element circuit PUh.Image element circuit PUh comprises current drives unit 950, storage unit 355 and Organic Light Emitting Diode 754.Current drives unit 950 comprises the first transistor 251, transistor seconds 752 and storage capacitors 953.Storage capacitors 953 is electrically connected between first end and gate terminal of transistor seconds 752.The circuit running coherent signal waveform of organic light-emitting display device 900 is same as signal waveform shown in Figure 3; So organic light-emitting display device 900 also can be when getting into still-mode; Carry out the pixel data oneself and keep running, and gate driver circuit 210 just can be closed the power consumption that shows still frame with remarkable reduction with data drive circuit 220 with the demonstration still frame.
In sum; Organic light-emitting display device of the present invention can be when getting into still-mode; Carry out the pixel data oneself and keep running, and its gate driver circuit and data drive circuit just can be closed the power consumption that shows still frame with remarkable reduction with the demonstration still frame.
Though the present invention discloses as above with embodiment; Right its is not in order to limit the present invention; Any common knowledge the knowledgeable with the affiliated technical field of the present invention; Do not breaking away from the spirit and scope of the present invention, when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the claim scope person of defining.
Claims (19)
1. the organic light-emitting display device of a tool pixel data self-retaining function is characterized in that, described organic light-emitting display device comprises:
One gate driver circuit is used to provide a signal;
One data drive circuit is used to provide a data-signal;
One gate line is electrically connected on described gate driver circuit, is used for transmitting described signal;
One data line is electrically connected on described data drive circuit, is used for transmitting described data-signal;
One current drives unit is electrically connected on described gate line and described data line, be used for according to described signal and described data-signal producing a driving voltage, and according to described driving voltage and a high power supply voltage so that a drive current to be provided;
One Organic Light Emitting Diode is electrically connected on described current drives unit, is used for according to described drive current to produce light output;
One storage unit is electrically connected on described current drives unit, is used for keeping running according to one first accessory power supply voltage and one second accessory power supply voltage so that described driving voltage is carried out voltage; And
One voltage provides module, is electrically connected on described current drives unit and described storage unit, is used to provide described high power supply voltage, the described first accessory power supply voltage and the described second accessory power supply voltage;
Wherein when the described first accessory power supply voltage be that high accessory power supply voltage and the described second accessory power supply voltage are when being a low accessory power supply voltage; Described storage unit is enabled and keeps running to carry out voltage; When the described first accessory power supply voltage is described low accessory power supply voltage and the described second accessory power supply voltage when being described high accessory power supply voltage, described storage unit is kept running by decapacitation to stop voltage;
Wherein said voltage provides module to comprise:
One power supply unit is used to provide one first high power supply voltage, is lower than one second high power supply voltage of described first high power supply voltage, described high accessory power supply voltage and described low accessory power supply voltage;
One first voltage selector is electrically connected on described power supply unit and described current drives unit, is used for choosing described first high power supply voltage or described second high power supply voltage as described high power supply voltage;
One second voltage selector is electrically connected on described power supply unit and described storage unit, is used for choosing described high accessory power supply voltage or described low accessory power supply voltage as the described first accessory power supply voltage; And
One tertiary voltage selector switch is electrically connected on described power supply unit and described storage unit, is used for choosing described low accessory power supply voltage or described high accessory power supply voltage as the described second accessory power supply voltage;
Wherein when the described first accessory power supply voltage be that described high accessory power supply voltage and the described second accessory power supply voltage are when being described low accessory power supply voltage; Described first voltage selector is chosen described second high power supply voltage as described high power supply voltage; When the described first accessory power supply voltage is described low accessory power supply voltage and the described second accessory power supply voltage when being described high accessory power supply voltage, first voltage selector is chosen described first high power supply voltage as described high power supply voltage.
2. organic light-emitting display device as claimed in claim 1 is characterized in that, wherein said storage unit comprises:
One first phase inverter; Comprise an input end, an output terminal, one first power end and a second source end; Wherein said input end is electrically connected on described current drives unit to receive described driving voltage; Described first power end is electrically connected on described voltage provides module to receive the described first accessory power supply voltage, and described second source end is electrically connected on described voltage provides module to receive the described second accessory power supply voltage; And
One second phase inverter; Comprise an input end, an output terminal, one first power end and a second source end; Wherein said input end is electrically connected on the output terminal of described first phase inverter; Described first power end is electrically connected on described voltage provides module to receive the described first accessory power supply voltage; Described second source end is electrically connected on described voltage provides module to receive the described second accessory power supply voltage, and described output terminal is electrically connected on the input end of described first phase inverter.
3. organic light-emitting display device as claimed in claim 2 is characterized in that,
Described first phase inverter comprises:
One the one P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described voltage provides module to receive the described first accessory power supply voltage; Described second end is electrically connected on the input end of described second phase inverter, and described gate terminal is electrically connected on described current drives unit to receive described driving voltage; And
One the one N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on second end of a described P type thin film transistor (TFT); Described second end is electrically connected on described voltage provides module to receive the described second accessory power supply voltage, and described gate terminal is electrically connected on the gate terminal of a described P type thin film transistor (TFT); And
Described second phase inverter comprises:
One the 2nd P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described voltage provides module to receive the described first accessory power supply voltage; Described second end is electrically connected on the gate terminal of a described P type thin film transistor (TFT), and described gate terminal is electrically connected on second end of a described P type thin film transistor (TFT); And
One the 2nd N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on second end of described the 2nd P type thin film transistor (TFT); Described second end is electrically connected on described voltage provides module to receive the described second accessory power supply voltage, and described gate terminal is electrically connected on the gate terminal of described the 2nd P type thin film transistor (TFT).
4. organic light-emitting display device as claimed in claim 1 is characterized in that, wherein said first voltage selector comprises:
One P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described first high power supply voltage; Described second end is electrically connected on described current drives unit, and described gate terminal is selected control signal in order to receive one; And
One N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described second high power supply voltage; Described second end is electrically connected on second end of described P type thin film transistor (TFT), and described gate terminal is in order to receive described selection control signal.
5. organic light-emitting display device as claimed in claim 1 is characterized in that, wherein said second voltage selector comprises:
One P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described low accessory power supply voltage; Described second end is electrically connected on described storage unit, and described gate terminal is selected control signal in order to receive one; And
One N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described high accessory power supply voltage; Described second end is electrically connected on second end of described P type thin film transistor (TFT), and described gate terminal is in order to receive described selection control signal.
6. organic light-emitting display device as claimed in claim 1 is characterized in that, wherein said tertiary voltage selector switch comprises:
One P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described high accessory power supply voltage; Described second end is electrically connected on described storage unit, and described gate terminal is selected control signal in order to receive one; And
One N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described low accessory power supply voltage; Described second end is electrically connected on second end of described P type thin film transistor (TFT), and described gate terminal is in order to receive described selection control signal.
7. organic light-emitting display device as claimed in claim 1 is characterized in that,
Described Organic Light Emitting Diode comprises a positive terminal and a negative pole end, and wherein said positive terminal is electrically connected on described current drives unit, and described negative pole end is in order to receive a low supply voltage;
Described current drives unit comprises:
One the first transistor; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described data line to receive described data-signal; Described second end is electrically connected on described storage unit, and described gate terminal is electrically connected on described gate line to receive described signal;
One transistor seconds; Comprise one first end, one second end and a gate terminal; Wherein said first end is in order to receive described high power supply voltage; Described second end is electrically connected on the positive terminal of described Organic Light Emitting Diode, and described gate terminal is electrically connected on second end of described the first transistor; And
One storage capacitors; Comprise one first end and one second end; Wherein said first end is electrically connected on the gate terminal of described transistor seconds, and described second end is electrically connected on second end of first end of described transistor seconds, described transistor seconds or the negative pole end of described Organic Light Emitting Diode; And
Described voltage provides module to be used to provide described low supply voltage in addition.
8. organic light-emitting display device as claimed in claim 7 is characterized in that, wherein said transistor seconds is a P type thin film transistor (TFT) or a N type thin film transistor (TFT).
9. organic light-emitting display device as claimed in claim 7 is characterized in that, wherein said the first transistor is a P type thin film transistor (TFT) or a N type thin film transistor (TFT).
10. organic light-emitting display device as claimed in claim 1 is characterized in that,
Described Organic Light Emitting Diode comprises a positive terminal and a negative pole end, and wherein said positive terminal is in order to receive described high power supply voltage, and described negative pole end is electrically connected on described current drives unit;
Described current drives unit comprises:
One the first transistor; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described data line to receive described data-signal; Described second end is electrically connected on described storage unit, and described gate terminal is electrically connected on described gate line to receive described signal;
One transistor seconds; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on the negative pole end of described Organic Light Emitting Diode, and described second end is in order to receive a low supply voltage, and described gate terminal is electrically connected on second end of described the first transistor; And
One storage capacitors; Comprise one first end and one second end; Wherein said first end is electrically connected on the gate terminal of described transistor seconds, and described second end is electrically connected on second end of first end of described transistor seconds, described transistor seconds or the positive terminal of described Organic Light Emitting Diode; And
Described voltage provides module to be used to provide described low supply voltage in addition.
11. organic light-emitting display device as claimed in claim 10 is characterized in that, wherein said transistor seconds is a P type thin film transistor (TFT) or a N type thin film transistor (TFT).
12. organic light-emitting display device as claimed in claim 10 is characterized in that, wherein said the first transistor is a P type thin film transistor (TFT) or a N type thin film transistor (TFT).
13. the organic light-emitting display device of a tool pixel data self-retaining function is characterized in that, described organic light-emitting display device comprises:
One gate driver circuit is used to provide a signal;
One data drive circuit is used to provide a data-signal;
One gate line is electrically connected on described gate driver circuit, is used for transmitting described signal;
One data line is electrically connected on described data drive circuit, is used for transmitting described data-signal;
One current drives unit is electrically connected on described gate line and described data line, be used for according to described signal and described data-signal producing a driving voltage, and according to described driving voltage and a high power supply voltage so that a drive current to be provided;
One Organic Light Emitting Diode is electrically connected on described current drives unit, is used for according to described drive current to produce light output;
One first phase inverter; Comprise an input end, an output terminal, one first power end and a second source end; Wherein said input end is electrically connected on described current drives unit to receive described driving voltage; Described first power end is in order to receive one first accessory power supply voltage, and described second source end is in order to receive one second accessory power supply voltage;
One second phase inverter; Comprise an input end, an output terminal, one first power end and a second source end; Wherein said input end is electrically connected on the output terminal of described first phase inverter; Described first power end is in order to receive the described first accessory power supply voltage, and described second source end is in order to receive the described second accessory power supply voltage, and described output terminal is electrically connected on the input end of described first phase inverter; And
One voltage provides module, is electrically connected on described current drives unit, described first phase inverter and described second phase inverter, is used to provide described high power supply voltage, the described first accessory power supply voltage and the described second accessory power supply voltage;
Wherein when the described first accessory power supply voltage be that high accessory power supply voltage and the described second accessory power supply voltage are when being a low accessory power supply voltage; Described first phase inverter and described second phase inverter are enabled and keep running so that described driving voltage is carried out voltage; When the described first accessory power supply voltage is described low accessory power supply voltage and the described second accessory power supply voltage when being described high accessory power supply voltage, described first phase inverter and described second phase inverter are kept running by decapacitation to stop voltage;
Wherein said voltage provides module to comprise:
One power supply unit is used to provide one first high power supply voltage, is lower than one second high power supply voltage of described first high power supply voltage, described high accessory power supply voltage and described low accessory power supply voltage;
One first voltage selector is electrically connected on described power supply unit and described current drives unit, is used for choosing described first high power supply voltage or described second high power supply voltage as described high power supply voltage;
One second voltage selector is electrically connected on described power supply unit, described first phase inverter and described second phase inverter, is used for choosing described high accessory power supply voltage or described low accessory power supply voltage as the described first accessory power supply voltage; And
One tertiary voltage selector switch is electrically connected on described power supply unit, described first phase inverter and described second phase inverter, is used for choosing described low accessory power supply voltage or described high accessory power supply voltage as the described second accessory power supply voltage;
Wherein when the described first accessory power supply voltage be that described high accessory power supply voltage and the described second accessory power supply voltage are when being described low accessory power supply voltage; Described first voltage selector is chosen described second high power supply voltage as described high power supply voltage; When the described first accessory power supply voltage is described low accessory power supply voltage and the described second accessory power supply voltage when being described high accessory power supply voltage, first voltage selector is chosen described first high power supply voltage as described high power supply voltage.
14. organic light-emitting display device as claimed in claim 13 is characterized in that,
Described first phase inverter comprises:
One the one P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described voltage provides module to receive the described first accessory power supply voltage; Described second end is electrically connected on the input end of described second phase inverter, and described gate terminal is electrically connected on described current drives unit to receive described driving voltage; And
One the one N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on second end of a described P type thin film transistor (TFT); Described second end is electrically connected on described voltage provides module to receive the described second accessory power supply voltage, and described gate terminal is electrically connected on the gate terminal of a described P type thin film transistor (TFT); And
Described second phase inverter comprises:
One the 2nd P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described voltage provides module to receive the described first accessory power supply voltage; Described second end is electrically connected on the gate terminal of a described P type thin film transistor (TFT), and described gate terminal is electrically connected on second end of a described P type thin film transistor (TFT); And
One the 2nd N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on second end of described the 2nd P type thin film transistor (TFT); Described second end is electrically connected on described voltage provides module to receive the described second accessory power supply voltage, and described gate terminal is electrically connected on the gate terminal of described the 2nd P type thin film transistor (TFT).
15. organic light-emitting display device as claimed in claim 13 is characterized in that, wherein said first voltage selector comprises:
One P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described first high power supply voltage; Described second end is electrically connected on described current drives unit, and described gate terminal is selected control signal in order to receive one; And
One N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described second high power supply voltage; Described second end is electrically connected on second end of described P type thin film transistor (TFT), and described gate terminal is in order to receive described selection control signal.
16. organic light-emitting display device as claimed in claim 13 is characterized in that, wherein said second voltage selector comprises:
One P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described low accessory power supply voltage; Described second end is electrically connected on described first phase inverter and described second phase inverter, and described gate terminal is selected control signal in order to receive one; And
One N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described high accessory power supply voltage; Described second end is electrically connected on second end of described P type thin film transistor (TFT), and described gate terminal is in order to receive described selection control signal.
17. organic light-emitting display device as claimed in claim 13 is characterized in that, wherein said tertiary voltage selector switch comprises:
One P type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described high accessory power supply voltage; Described second end is electrically connected on described first phase inverter and described second phase inverter, and described gate terminal is selected control signal in order to receive one; And
One N type thin film transistor (TFT); Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described power supply unit to receive described low accessory power supply voltage; Described second end is electrically connected on second end of described P type thin film transistor (TFT), and described gate terminal is in order to receive described selection control signal.
18. organic light-emitting display device as claimed in claim 13 is characterized in that,
Described Organic Light Emitting Diode comprises a positive terminal and a negative pole end, and wherein said positive terminal is electrically connected on described current drives unit, and described negative pole end is in order to receive a low supply voltage;
Described current drives unit comprises:
One the first transistor; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described data line to receive described data-signal; Described second end is electrically connected on described first phase inverter and described second phase inverter, and described gate terminal is electrically connected on described gate line to receive described signal;
One transistor seconds; Comprise one first end, one second end and a gate terminal; Wherein said first end is in order to receive described high power supply voltage; Described second end is electrically connected on the positive terminal of described Organic Light Emitting Diode, and described gate terminal is electrically connected on second end of described the first transistor; And
One storage capacitors; Comprise one first end and one second end; Wherein said first end is electrically connected on the gate terminal of described transistor seconds, and described second end is electrically connected on second end of first end of described transistor seconds, described transistor seconds or the negative pole end of described Organic Light Emitting Diode; And
Described voltage provides module to be used to provide described low supply voltage in addition.
19. organic light-emitting display device as claimed in claim 13 is characterized in that,
Described Organic Light Emitting Diode comprises a positive terminal and a negative pole end, and wherein said positive terminal is in order to receive described high power supply voltage, and described negative pole end is electrically connected on described current drives unit;
Described current drives unit comprises:
One the first transistor; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on described data line to receive described data-signal; Described second end is electrically connected on described first phase inverter and described second phase inverter, and described gate terminal is electrically connected on described gate line to receive described signal;
One transistor seconds; Comprise one first end, one second end and a gate terminal; Wherein said first end is electrically connected on the negative pole end of described Organic Light Emitting Diode, and described second end is in order to receive a low supply voltage, and described gate terminal is electrically connected on second end of described the first transistor; And
One storage capacitors; Comprise one first end and one second end; Wherein said first end is electrically connected on the gate terminal of described transistor seconds, and described second end is electrically connected on second end of first end of described transistor seconds, described transistor seconds or the positive terminal of described Organic Light Emitting Diode; And
Described voltage provides module to be used to provide described low supply voltage in addition.
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| KR102542853B1 (en) * | 2016-04-25 | 2023-06-14 | 삼성전자주식회사 | Led display module, display apparatus and controlling method thereof |
| CN112712770A (en) * | 2019-10-24 | 2021-04-27 | 华为终端有限公司 | Electronic equipment and display module thereof |
| CN113053299B (en) * | 2021-03-19 | 2022-10-11 | 京东方科技集团股份有限公司 | Pixel driving circuit, pixel driving method, display panel and display device |
| CN114495861A (en) * | 2022-03-14 | 2022-05-13 | Tcl华星光电技术有限公司 | Array substrate, display panel and display method |
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